QR Code Testing Guide
Definition: QR code testing is the verification process of scanning generated QR codes across multiple devices, distances, and conditions before committing to print production.
Testing QR codes before printing prevents expensive reprints and missed opportunities. A systematic testing approach covers: 1) Scan with at least 3 different phones (iOS and Android), 2) Test at intended scanning distance, 3) Verify the destination URL is correct and mobile-optimized, 4) Check under different lighting conditions, 5) Print a test copy at final size, and 6) Test the printed version — screen scanning can differ from print scanning.
Key points
- Test on 3+ phones (iOS and Android)
- Verify at intended scanning distance
- Check destination URL loads correctly
- Test under different lighting conditions
- Print a test copy before full production
- Screen vs print scanning can differ
Frequently asked questions
How do I test a QR code?
Scan with multiple phones (iPhone and Android), from the intended distance, and verify the URL is correct. Print a test copy and scan the printed version too.
Why does my QR code scan on screen but not print?
Print resolution, contrast, or size may differ from screen. Ensure 300 DPI minimum, high contrast colors, and adequate quiet zone in the printed version.
How many devices should I test on?
At minimum 3: a recent iPhone, a recent Android, and an older phone. More testing = more confidence in scanning reliability.
Related terms
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